ORA 12829: Deadlock - ITLs Occupied by Siblings at Block %s of File %s
(Doc ID 1326120.1)
Last updated on FEBRUARY 21, 2024
Applies to:
Oracle Database - Enterprise Edition - Version 10.2.0.1 to 12.1.0.2 [Release 10.2 to 12.1]Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
Sql*plus script ends abnormally with the following errors:
ORA-20001: INACTIVE_ITEMS - ORA-20001: <item name> -
ORA-20002: -12801 ORA-12801: error signaled in parallel query server P037
ORA-12829: Deadlock - itls occupied by siblings at block 166708 of file 45
Error in PROCEDURE <procedure name> line 173
Details of error:
Error: ORA 12829
Text: Deadlock - itls occupied by siblings at block %s of file %s
---------------------------------------------------------------------------
Cause: parallel statement failed because all itls in the current block are occupied by siblings of the same transaction.
Action: increase MAXTRANS of the block or reduce the degree of parallelism for the statement. Reexecute the statement.
Report suspicious events in trace file to Oracle support representative if error persists.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |